Most users report minimal side effects, but mild nausea, fatigue, or headaches can occur
Good hygiene prevents contamination that could cause infection or peptide degradation
Glutathione protects cell mitochondria by removing free radicals
Use daily at lower concentrations (0.1-1%) for maintenance or increase to 2-3% for targeted treatments before important occasions when you want your skin and hair looking their absolute best.
People with certain medical conditions, like asthma, kidney disease, or liver disease, should not take it
Opioid activates also those receptors in the gastrointestinal tract that control gut motility (32, 33)